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Vehicle drivetrain coupling    
United States Patent5611746   
Link to this pagehttp://www.wikipatents.com/5611746.html
Inventor(s)Shaffer; Theodore E. (Santa Barbara, CA)
AbstractA hydraulic coupling (32,32a) includes a lock (204) for selectively preventing the level of torque transmitted from a coupling casing (34) to a pair of rotary members (26,28) from affecting torque transfer between the rotary members. The coupling (32) also includes an adjuster (216) for adjusting resistance of fluid flow from a hydraulic pump (48) through ports of the coupling to control coupling of the pair of rotary members (26,28) to each other. One embodiment of the coupling (32) operates in a supercharged pumping manner, while another embodiment of the coupling (32a) pumps the fluid through a clutch actuating piston (72) of the coupling.
   














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Drawing from US Patent 5611746
Vehicle drivetrain coupling - US Patent 5611746 Drawing
Vehicle drivetrain coupling
Inventor     Shaffer; Theodore E. (Santa Barbara, CA)
Owner/Assignee     Asha Corporation (Santa Barbara, CA)
Patent assignment
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Publication Date     March 18, 1997
Application Number     08/496,250
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     June 28, 1995
US Classification     475/88 475/89 475/234
Int'l Classification     F16H 048/26
Examiner     Marmor; Charles A.
Assistant Examiner     Jensen; Nathan O.
Attorney/Law Firm     Brooks & Kushman P.C.
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Priority Data    
USPTO Field of Search     475/84 475/86 475/88 475/89 475/234 475/235
Patent Tags     vehicle drivetrain coupling
   
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Market Size
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$5B - $10B
$2B - $5B
$500M - $2B
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$0   $2.5B   $5B   $7.5B   $10B
Market Share
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75% - 100%
50% - 74.99%
25% - 49.99%
10 - 24.99%
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2 - 4.99%
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5 - 9.99%
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1 - 1.99%
< 1%
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